diff --git a/ports/atmel-samd/boards/qtpy_m0_haxpress/mpconfigboard.mk b/ports/atmel-samd/boards/qtpy_m0_haxpress/mpconfigboard.mk
index a63f142742..8773c5771d 100644
--- a/ports/atmel-samd/boards/qtpy_m0_haxpress/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/qtpy_m0_haxpress/mpconfigboard.mk
@@ -17,6 +17,7 @@ CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
+CIRCUITPY_MSGPACK = 0
 
 SUPEROPT_GC = 0
 
diff --git a/ports/atmel-samd/boards/stackrduino_m0_pro/mpconfigboard.mk b/ports/atmel-samd/boards/stackrduino_m0_pro/mpconfigboard.mk
index 704d265141..734be2d145 100644
--- a/ports/atmel-samd/boards/stackrduino_m0_pro/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/stackrduino_m0_pro/mpconfigboard.mk
@@ -16,6 +16,7 @@ CIRCUITPY_BITBANGIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
+CIRCUITPY_MSGPACK = 0
 CIRCUITPY_VECTORIO = 0
 CIRCUITPY_BUSDEVICE = 0
 
diff --git a/ports/nrf/boards/pca10100/mpconfigboard.mk b/ports/nrf/boards/pca10100/mpconfigboard.mk
index 86ba654548..76d15e6081 100644
--- a/ports/nrf/boards/pca10100/mpconfigboard.mk
+++ b/ports/nrf/boards/pca10100/mpconfigboard.mk
@@ -15,6 +15,7 @@ CIRCUITPY_DISPLAYIO = 0
 CIRCUITPY_FRAMEBUFFERIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
+CIRCUITPY_MSGPACK = 0
 CIRCUITPY_NEOPIXEL_WRITE = 0
 CIRCUITPY_NVM = 0
 CIRCUITPY_PIXELBUF  = 0